package day7;

/**
 * @author oldliu
 * @since 1.0
 */
public class WrapTest {
    public static void main(String[] args) {
        Integer i=100;
        Integer j=new Integer("134");
        int k=j;//拆箱
        int i4 = Integer.parseInt("455");
        System.out.println(i4);
        //>>>>
        //转换成二进制
        String s1 = Integer.toBinaryString(14);
        String s2 = Integer.toBinaryString(-14);
        //        Integer.toHexString()
        System.out.println(s1);
        System.out.println(s2);
        double d = Double.parseDouble("44.5");

        System.out.println(Double.MIN_VALUE);
        System.out.println(Double.MAX_VALUE);
        System.out.println(Integer.MAX_VALUE);
    }
}
